Chemical synapses are more common than electrical synapses
Indicate whether this statement is true or false.
TRUE
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A T4 assay is used to
A) determine the number of calories in food. B) directly measure the basal metabolic rate. C) obtain an index of metabolic activity. D) monitor the energy efficiency of metabolism. E) determine the amount of oxygen consumed during metabolism.
Mr. Sanchez makes an appointment to see his doctor for pain in his abdominal area. Tests and X rays reveal kidney stones as well as bones with a moth-eaten appearance. Further questioning reveals a medical history of abnormal reflexes and weakness. What is the problem and what treatment would be recommended?
What will be an ideal response?
Peristaltic waves are ________
A) churning movements of the gastrointestinal tract that aid in mechanical breakdown of chyme B) segmental regions of the gastrointestinal tract C) waves of muscular contractions that propel contents from one point to another D) pendular movements of the gastrointestinal tract
Shivering raises body temperature because:
it decreases warm blood flow to the core while increasing flow to the muscles it depresses metabolism it increases heat production up to 18 times that of resting levels the process of muscle contraction produces heat